07/08/20

Is -8 a solution of -7f= 48 -f?
Select the correct choice below and, if necessary fill in the answer box to complete your choice. A.no, because replacing f with -8 and simplifying left side results in □ and ... more
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07/08/20

How to solve this question for college algebra.
The cost C of producing x thousand calculators is given by the equation below. C = -1 4.4x^2 + 14,390x + 580,000 (x <150) The average cost per calculator is the total cost C divided by the... more
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07/07/20

(Updated )Evaluate the expression under the given conditions sin(θ − ϕ); tan(θ) = ¾, θ in Quadrant III, sin(ϕ) = − 3 sqroot10/10, ϕ in Quadrant IV

I need help with this question. Please include steps. Thank you :)
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07/07/20

Find y' and y''. y = ln(4x) /x^6
I just need help finding y''
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07/06/20

If a stone is thrown vertically upward from the surface of the moon with a velocity of 13 m/s
If a stone is thrown vertically upward from the surface of the moon with a velocity of 13 m/s, its height (in meters) after t seconds is h = 13t − 0.83t2. (Round your answers to two decimal... more
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07/04/20

Which equation represents a line which is parallel to the line y − 3 x = 1 y

A. Y=-1/3x+5 B Y=-3x-6C Y= 1/3x+4D Y= 3x+2
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07/04/20

If there is 920 feet of fencing available, what is the maximum possible area of the pasture?
The back of Tom's property is a creek. Tom would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is feet of... more
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07/04/20

Homework help, Tan, Cos ect

From the top of a 229-ft lighthouse, the angle of depression to a ship in the ocean is 24 degrees How far is the ship from the base of the lighthouse? To measure the height of the cloud cover at... more
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07/03/20

what is 1537km[N37W] - 853km[W]
Can you show me how you would do this subtraction 2d vector problem
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07/03/20

Help with theses answers plz
A Ferris wheel has a diameter of 60ft. When you start at the top of the Ferris wheel, you are 62 ft from the ground. The Ferris wheel completes one rotation in 2 minutes.1)Create a graph that... more
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07/03/20

marbles question
A jar contains 4 red marbles numbered 1 to 4 and 8 blue marbles numbered 1 to 8. A marble is drawn at random from the jar. Find the probability the marble is odd-numbered given that the marble is... more
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07/02/20

Help with the answers plz
1) Note the pattern shown. case 1 Case 2 Case 32 by 3 units 3 by 4 units 4 by 5 unitsa)How many squares would be in the 10th image?b)How many squares would be in... more
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07/02/20

How to draw planes in geometry?
How do I draw planes R & M intersecting at line CD?how do I draw plane R containing non-collinear points A, B, Chow do I draw plane M containing D not on line l and line lhow do I draw plane M... more
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07/02/20

Intro To Trigonometry
I am learning about basic Trig functions (SohCahToa) and am having trouble determining when a side is the adjacent and when the side is opposite, This seems like a basic concept, and yet there is... more
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07/02/20

How to do this problem?
Given ∆ABC where ∠B is a right angle and m∠C = 30 ̊ . Determine which ratio below represents the lengths of CB to AC .____________ A. 1:2 B. 1:3 C. 2:3D. 2:1 E. 3:1 F. 3:2
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07/02/20

On Monday, Jim spent $9.00 on 3 hot dogs and 2 cokes. On Tuesday, he spent $15.50 on 4 hot dogs and 5 cokes. What is the cost of a single hot dog and what is the cost of a single coke?
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07/02/20

volume of the solid obtained by rotating the region
Find the volume of the solid obtained by rotating the region bounded by y=x2 , y=0, and x=1, about the y-axis.
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07/01/20

Models and Applications- Investments
A retired woman has $50,000 to invest but needs to make $3,000 a year from the interest to meet certain living expenses. One bond investment pays 15% annual interest. The rest of it she wants to... more
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07/01/20

Use part I of the Fundamental Theorem of Calculus to find the derivative of:

Use part I of the Fundamental Theorem of Calculus to find the derivative of: h(x) = ∫ (top of the integral symbol says "sin(x)" and bottom of integral symbol says "-3") then followed by the... more
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06/30/20

How do you find the complex zeros of a function?
How do you find the complex zeros of a function after finding/knowing the positive and negative zeros?Ex. f(x)=-3x^3+6x^2+8x-16
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06/30/20

Trigonometric Substitution Integration
3.) ∫(dx)/((x)*(9+25x^2)^(1/2))
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06/29/20

If f and g are the functions whose graphs are shown, let u(x) = f(x)g(x) and v(x) = f(x)/g(x).
If f and g are the functions whose graphs are shown, let u(x) = f(x)g(x) and v(x) = f(x)/g(x).(a) Find u'(1).=_______(b) Find v'(5)=_______
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06/29/20

How many hours should I spend on the class?
It says 2 additional hours per 50 minutes.The class meets 3 days a week for 2.75 hours, so a total of 8.25 hours a week or 495 minutes. 495/50=9.9 times it is 50 minutes, so would I multiply... more
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06/29/20

please help me with these old homework questions I got wrong and explain clearly the answer and how to get to it
A wind turbine is spinning at an angular speed of 6 rad/s. Each blade of the turbine is 2m long.What is the tangential speed of a point at the tip of a blade?2m/s3m/s6m/s12m/sI chose 6m/s but got... more
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06/28/20

To move a large crate across a rough floor, you push on it with a force F at an angle of 21....F=250 N)
To move a large crate across a rough floor, you push on it with aforce F at an angle of 21° below the horizontal, as shown in FIGURE6-34. Find the force necessary to start the crate moving, given... more
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